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JNET Classification
Type 1
Type 2a
Type 2b
Type 3
Clouded surface? No Indistinctive border: No Irregular shape: Yes Dark spots inside crypt: No Polyp does not meet WASP criteria for SSL and is hyperplastic.
mSANO classification
MS I
MS II
MS IIo
MS IIIa
MS IIIb
(Pale colour + round pits with bland appearance, black arrows)
Predicted Histopathology
Hyperplastic polyp
Sessile serrated polyp
Adenoma with Low grade dysplasia
Adenoma with High grade dysplasia/ Superficial submucosal invasive cancer
Deep submucosal invasive cancer
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